MESON Chess Problem Database

Problem Display
PID: 243616 (8/3n4/4p3/1KpkP1p1/2N2pR1/3p2N1/5Q2/8 w - - 0 1)

Bakay, Bela

Magyar Sakkvilag, 1938

8/3n4/4p3/1KpkP1p1/2N2pR1/3p2N1/5Q2/8

#2

6 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe5
      • 2.Qxc5#
    • 1...Sb6
      • 2.Qxc5#
    • 1...Sf6
      • 2.Qxc5#
    • 1...Sb8
      • 2.Qxc5#
    • 1...Sf8
      • 2.Qxc5#
    • 1...d2
      • 2.Qxd2#
    • 1...fxg3
      • 2.Qg2#
      • 2.Qf3#
    • 1...f3
      • 2.Qxf3#
  • Tries
    • 1.Sb6+?
      • 1...Sxb6
        • 2.Qxc5#
      • 1...Kxe5!
    • 1.Rxf4?
      • threat
        • 2.Qg2#
        • 2.Qf3#
      • 1...Sxe5
        • 2.Qxc5#
      • 1...Sf6
        • 2.Qxc5#
      • 1...g4
        • 2.Qg2#
      • 1...gxf4!
    • 1.Qe3?
      • threat
        • 2.Qxd3#
        • 2.Qe4#
      • 1...Sxe5
        • 2.Qxc5#
        • 2.Qe4#
        • 2.Qxe5#
      • 1...d2
        • 2.Qxd2#
        • 2.Qd3#
        • 2.Qe4#
      • 1...Sf6
        • 2.Sb6#
        • 2.Qxc5#
        • 2.Qxd3#
      • 1...fxe3!
    • 1.Qg2+?
      • 1...f3
        • 2.Qxf3#
      • 1...Kd4!
    • 1.Qxf4?
      • threat
        • 2.Se3#
        • 2.Qf3#
        • 2.Qe4#
      • 1...Sxe5
        • 2.Qxe5#
        • 2.Qe4#
      • 1...Sf6
        • 2.Se3#
        • 2.Sb6#
      • 1...gxf4!
  • Keys
    • 1.Qb2!
      • 1...Sxe5
        • 2.Qxe5#
      • 1...fxg3
        • 2.Se3#
        • 2.Qg2#
      • 1...d2
        • 2.Qxd2#
      • 1...Sb6
        • 2.Sxb6#
      • 1...Sf6
        • 2.Sb6#
      • 1...Sb8
        • 2.Sb6#
      • 1...Sf8
        • 2.Sb6#
      • 1...f3
        • 2.Se3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 6
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(g);N_GUARD,XP(F)::QAR1(A),XP(c)
    • S(g);N_GUARD::QAR1(A),XP(c)
    • P(a);OGATEB::QAR(A),XP(a)
    • P(b);::QAB(A),XP(b)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • S(g);XS(C)::QAR1(A),XP(c)
      • Refutation
        • K(d);P-FLIGHT,XP(F)
    • Try
      • R(D);XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • S(g);N_GUARD,XP(F)::QAR1(A),XP(c)
        • S(g);N_GUARD::QAR1(A),XP(c)
        • P(e);::QAB(A)
      • Refutation
        • P(e);XR(D)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • P(b);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • P(b);P_SPINP(b)::QAB(A),XP(b)
      • Refutation
        • K(d);P-FLIGHT,P_SPINP(b)
    • Try
      • Q(A);XP(b)
      • Threat
        • DUALS(3)
      • Refutation
        • P(e);XQ(A)
  • Actual
    • Q(A);
    • Vars
      • S(g);OGATE,XP(F)::QAR1(A),XS(g)
      • P(a);OGATEB::QAR(A),XP(a)
      • S(g);N_GUARD::S(C),XS(g)
      • S(g);N_GUARD::S(C)
      • P(b);N_GUARD::S(C)
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